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diff --git a/ext/js/language/la/latin-transforms.js b/ext/js/language/la/latin-transforms.js
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+++ b/ext/js/language/la/latin-transforms.js
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+/*
+ * Copyright (C) 2024  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {suffixInflection} from '../language-transforms.js';
+
+// TODO: -ne suffix (estne, nonne)?
+
+/** @type {import('language-transformer').LanguageTransformDescriptor} */
+export const latinTransforms = {
+    language: 'la',
+    conditions: {
+        v: {
+            name: 'Verb',
+            isDictionaryForm: true
+        },
+        n: {
+            name: 'Noun',
+            isDictionaryForm: true,
+            subConditions: ['ns', 'np']
+        },
+        ns: {
+            name: 'Noun, singular',
+            isDictionaryForm: true,
+            subConditions: ['n1s', 'n2s', 'n3s', 'n4s', 'n5s']
+        },
+        np: {
+            name: 'Noun, plural',
+            isDictionaryForm: true,
+            subConditions: ['n1p', 'n2p', 'n3p', 'n4p', 'n5p']
+        },
+        n1: {
+            name: 'Noun, 1st declension',
+            isDictionaryForm: true,
+            subConditions: ['n1s', 'n1p']
+        },
+        n1p: {
+            name: 'Noun, 1st declension, plural',
+            isDictionaryForm: true
+        },
+        n1s: {
+            name: 'Noun, 1st declension, singular',
+            isDictionaryForm: true
+        },
+        n2: {
+            name: 'Noun, 2nd declension',
+            isDictionaryForm: true,
+            subConditions: ['n2s', 'n2p']
+        },
+        n2p: {
+            name: 'Noun, 2nd declension, plural',
+            isDictionaryForm: true
+        },
+        n2s: {
+            name: 'Noun, 2nd declension, singular',
+            isDictionaryForm: true
+        },
+        n3: {
+            name: 'Noun, 3rd declension',
+            isDictionaryForm: true,
+            subConditions: ['n3s', 'n3p']
+        },
+        n3p: {
+            name: 'Noun, 3rd declension, plural',
+            isDictionaryForm: true
+        },
+        n3s: {
+            name: 'Noun, 3rd declension, singular',
+            isDictionaryForm: true
+        },
+        n4: {
+            name: 'Noun, 4th declension',
+            isDictionaryForm: true,
+            subConditions: ['n4s', 'n4p']
+        },
+        n4p: {
+            name: 'Noun, 4th declension, plural',
+            isDictionaryForm: true
+        },
+        n4s: {
+            name: 'Noun, 4th declension, singular',
+            isDictionaryForm: true
+        },
+        n5: {
+            name: 'Noun, 5th declension',
+            isDictionaryForm: true,
+            subConditions: ['n5s', 'n5p']
+        },
+        n5p: {
+            name: 'Noun, 5th declension, plural',
+            isDictionaryForm: true
+        },
+        n5s: {
+            name: 'Noun, 5th declension, singular',
+            isDictionaryForm: true
+        },
+        adj: {
+            name: 'Adjective',
+            isDictionaryForm: true,
+            subConditions: ['adj3', 'adj12']
+        },
+        adj12: {
+            name: 'Adjective, 1st-2nd declension',
+            isDictionaryForm: true
+        },
+        adj3: {
+            name: 'Adjective, 3rd declension',
+            isDictionaryForm: true
+        },
+        adv: {
+            name: 'Adverb',
+            isDictionaryForm: true
+        }
+    },
+    transforms: [
+        {
+            name: 'plural',
+            description: 'Plural declension',
+            rules: [
+                suffixInflection('i', 'us', ['n2p'], ['n2s']),
+                suffixInflection('i', 'us', ['adj12'], ['adj12']),
+                suffixInflection('e', '', ['n1p'], ['n1s']),
+                suffixInflection('ae', 'a', ['adj12'], ['adj12']),
+                suffixInflection('a', 'um', ['adj12'], ['adj12'])
+            ]
+        },
+        {
+            name: 'feminine',
+            description: 'Adjective form',
+            rules: [
+                suffixInflection('a', 'us', ['adj12'], ['adj12'])
+            ]
+        },
+        {
+            name: 'neuter',
+            description: 'Adjective form',
+            rules: [
+                suffixInflection('um', 'us', ['adj12'], ['adj12'])
+            ]
+        },
+        {
+            name: 'ablative',
+            description: 'Ablative case',
+            rules: [
+                suffixInflection('o', 'um', ['n2s'], ['n2s'])
+            ]
+        }
+    ]
+};